thulium oxide

thulium oxide

[′thü·lē·əm ′äk‚sīd]
(inorganic chemistry)
Tm2O3 A white, slightly hygroscopic powder that absorbs water and carbon dioxide from the air, and is slowly soluble in strong acids; used to make thulium metal. Also known as thulia.
Mentioned in ?
References in periodicals archive ?
Individual heavy rare earth element grades were 0.03 kg/t europium oxide, 0.27 kg/t gadolinium oxide, 0.05 kg/t terbium oxide, 0.29 kg/t dysprosium oxide, 0.06 kg/t holmium oxide, 0.15 kg/t erbium oxide, 0.02 kg/t thulium oxide, 0.11 kg/t ytterbium oxide, 0.01 kg/t lutetium oxide and 1.88 kg/t yttrium oxide.